It's cool, sweet potato is also called cold potato, and it likes high temperature. The temperature required for seed germination is higher than that required for general leguminous crops. Plants need sufficient light for vigorous photosynthesis and accumulated assimilation and nourishment, especially during the formation of fleshy roots. Only sufficient light can produce high yield. The requirement of cold potato for soil is medium fertility and sandy loam.

If planted in cohesive soil, the root tuber will be stunted, with rough skin and more fibers. In sandy loam, the root tuber is big and the meat is tender. If the soil is too fertile, it will often cause the vines to grow white, but the fleshy roots will not grow.

Nutrition of sweet potato:

Sweet potato is a kind of food with high nutritional value, which contains a lot of fatty acids, kaempferol and various amino acids. In addition, carotene and choline are also the most important substances in sweet potatoes. In addition to these, sweet potato also contains a variety of vitamins and trace elements, which can meet the human body's demand for different nutrients and promote the body's metabolism.

Sweet potato grows and develops in Yunnan, Guizhou and other places, so sweet potato contains sparganium, which directly affects physical and mental health. It's better to cook and eat.